Thanks to StitchKingdom.com for pointing this one out!

He can blink, move his mouth, and more importantly…he can talk!

Below is video of what appears to be a test of Mickey Mouse meeting Disneyland park guests.
Reports say that he can even address guests by name!

I remember seeing video footage from about 4 or 5 years ago with Mickey and Minnie in a stage show at one of the Disney Parks where the same type of technology was in use.  This is pretty awesome technology when you consider the fact that any of the costumed characters at the Disney parks with full head type masks cannot speak.